TrueClass

The class of the singleton object true.

Several of its methods act as operators:

One other method:

Instance Methods

          
            static VALUE
true_and(VALUE obj, VALUE obj2)
{
    return RBOOL(RTEST(obj2));
}

Returns false if object is false or nil, true otherwise:

true & Object.new # => true true & false # => false true & nil # => false

3.3 View on GitHub

          
            #define case_equal rb_equal

Returns true or false.

Like Object#==, if object is an instance of Object (and not an instance of one of its many subclasses).

This method is commonly overridden by those subclasses, to provide meaningful semantics in case statements.

3.3 View on GitHub

          
            static VALUE
true_xor(VALUE obj, VALUE obj2)
{
    return rb_obj_not(obj2);
}

Returns true if object is false or nil, false otherwise:

true ^ Object.new # => false
true ^ false      # => true
true ^ nil        # => true

3.3 View on GitHub

An alias for

3.3 View on GitHub

          
            VALUE
rb_true_to_s(VALUE obj)
{
    return rb_cTrueClass_to_s;
}

Returns string 'true':

true.to_s # => "true"

3.3 View on GitHub

          
            static VALUE
true_or(VALUE obj, VALUE obj2)
{
    return Qtrue;
}

Returns true:

true | Object.new # => true
true | false      # => true
true | nil        # => true

Argument object is evaluated. This is different from true with the short-circuit operator, whose operand is evaluated only if necessary:

true | raise # => Raises RuntimeError.
true || raise # => true